Submarine Signaling Direction Finding Devices OV Tube
node_uuid: d7c2f309-26d6-4c39-baca-332dd965bf47 nid: 48575 item_id: 409d1578-dc35-4291-9e84-fd3f194d8fa1 cat_id: 40170101 source_oai_id: oai:iiif.dl.itc.u-tokyo.ac.jp:110520 path_alias: /assets/409d1578-dc35-4291-9e84-fd3f194d8fa1 title: Submarine Signaling Direction Finding Devices OV Tube card_catalog: 『Submarine Signaling Direction Finding Devices OV Tube』 description_raw: ID: 40170101 | 文書種類: 説明書? | カード目録: 『Submarine Signaling Direction Finding Devices OV Tube』 | カテゴリ: 潜水艦 | 所蔵: 東京大学柏図書館 | 備考: 大正十五年六月三十日 「ボストン」本社ニ於テ受領 平賀造船少将 | 登録年: 2007 | エンティティ（Google Cloud Vision）: text | エンティティ（Google Cloud Vision）: paper | エンティティ（Google Cloud Vision）: font | エンティティ（Google Cloud Vision）: document | エンティティ（Google Cloud Vision）: product | エンティティ（Google Cloud Vision）: brand | エンティティ（Google Cloud Vision）: design | エンティティ（Google Cloud Vision）: black and white | エンティティ（Google Cloud … extent_text: 英文印刷物 | 16枚 doc_type: 説明書? holder: 東京大学柏図書館 registered_year: 2007 vision_entities: text, paper, font, document, product, brand, design, black and white, angle, material, joint, drawing, diagram, audio equipment, technology, monochrome, audio, sketch, artwork, monochrome photography, rectangle remarks: 大正十五年六月三十日 「ボストン」本社ニ於テ受領 平賀造船少将 issued: 1926-06-30 issued_raw: 1926-06-30 issued_year: 1926 old_manifest: https://iiif.dl.itc.u-tokyo.ac.jp/repo/iiif/87cdafdc-1d81-4c32-a53e-15164eff0a1c/manifest image_url: https://iiif.dl.itc.u-tokyo.ac.jp/repo/s/hiraga/document/87cdafdc-1d81-4c32-a53e-15164eff0a1c iiif_manifest_id: 87cdafdc-1d81-4c32-a53e-15164eff0a1c iiif_service_id: https://iiif.dl.itc.u-tokyo.ac.jp/iiif/hiraga/40170101/40170101-001_001.tif canvas_count: 16 color_mode: monochrome indexed_at: 2026-04-28T13:07:26.568087+00:00 item_summary_model: gpt-5.5 item_summary_at: 2026-04-28T17:31:20.908097+00:00 item_summary: Submarine Signal Company（Boston, Massachusetts, U.S.A.）による機密扱いの説明書で、潜水艦・艦船音響のbinaural direction-finding装置「OV Tube」の構成、艦上への据付、使用法、手入れ調整、図版を解説する。主要機材はOV Tube、三個の「K Tube Units」、compensator、reel、deck cable、hand reelで、観測船から曳航し音源方位を求める。Typical Log of Observationsにはmine sweepers、Portland steamer、steamer A/B/Cの記録を含む。発行は1926年6月30日、受領記録に「平足五段少将」。キーワード: Submarine Signal Company, OV Tube, K Tube Units, compensator, 潜水艦, 方位測定, 水中音響, mine sweepers, Portland steamer description_raw_en: ID: 40170101 | Document type: manual? | Card catalog: “Submarine Signaling Direction Finding Devices OV Tube” | Category: Submarines | Holding: University of Tokyo Kashiwa Library | Remarks: Received at the head office in “Boston” on June 30, Taishō 15; Rear Admiral Hiraga, Shipbuilding | Year registered: 2007 | Entity (Google Cloud Vision): text | Entity (Google Cloud Vision): paper | Entity (Google Cloud Vision): font | Entity (Google Cloud Vision): document | Entity (Google Cloud Vision): pro… extent_text_en: English printed matter | 16 sheets i18n_translation_model: gpt-5.5 remarks_en: Received at the head office in “Boston” on June 30, Taishō 15; Rear Admiral Hiraga, Shipbuilding title_en: Submarine Signaling Direction Finding Devices OV Tube i18n_translated_at: 2026-04-29T03:35:04.844201+00:00 item_summary_en: A confidential manual by the Submarine Signal Company (Boston, Massachusetts, U.S.A.) explaining the configuration, shipboard installation, use, maintenance and adjustment, and illustrations of the “OV Tube,” a binaural direction-finding device for submarine and ship acoustics. The main equipment consists of the OV Tube, three “K Tube Units,” a compensator, a reel, a deck cable, and a hand reel; it is towed from an observation vessel to determine the bearing of a sound source. The “Typical Log o… card_catalog_en: “Submarine Signaling Direction Finding Devices OV Tube”